The whole six grade is doing a project that involves going down to the chimicaum creek and stisking probes in the water but we each have a job to do and one of those jobs is mine and my job is nitrates or known as NO3. other jobs are ph turbidity ammoina temp. and there is something else but i can not remeber it oh well you get the idea we all have a job that we have to do to see if our own chimicaum creek is good or bad.!:)